共搜索到5130条信息,每页显示10条信息,共513页。用时:0小时0分0秒505毫秒
of NiCrSiB alloy powder and tantalum (Ta) powder was used as laser clad material to improve abrasive wear resistance of the Ni-based coating. The microstructure and wear resistance of the coating were...Influence of Ta on Microstructure and Abrasive Wear Resistance of Laser Clad NiCrSiB Coating余廷1,2,DENG Qilin2,DONG Gang3,YANG Jianguo21. School of Mechanical and Electrical Engineering, Nanchang......
Tantalum oxide barrier in magnetic tunnel junctionsGuanghua Yu, Tingting Ren, Wei Ji, Jiao Teng, and Fengwu ZhuMaterials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China摘 要:<正> Tantalum as an insulating barrier can take the place of Al in magnetic tunnel junctions (MTJs). Ta barriers in MTJs were......
Through-thickness texture gradient of tantalum sputtering targetChao Deng,Shi-Feng Liu,Xiao-Bo Hao,Jing-Li Ji,Qing Liu,Hai-Yang FanCollege of Materials Science and Engineering, Chongqing University摘... gradient of a rolled and subsequently annealed tantalum sputtering target was investigated. The results show that by carefully controlling the rolling process, shear-related components at the surface......
A Study on Medium Temperature Chemical Vapor Deposition (MT-CVD) Technology and Super Coating Materials LI Jian-ping1,ZENG Xiang-cai1,MA Wen-cun1,GAO Jian1 (1.Chengdu Tool Institute, Chengdu 610051) 摘要:In this paper, the dense and columnar crystalline TiCN coating layers with very good bonding strength between a layer and another layer was deposited using Medium Temperature Chemical Vapor......
Electrochemical behaviors of tantalum in anhydrous ethanol containing hydrogen sulfate ions YANG Hai-ping1, YANG Sheng-hai1, CAI Ya-nan2, HOU Guo-feng1, XIA Jiao-yun1, TANG Mo-tang1 1. School... are presented when the potential is higher than 2.0 V. Key words: anhydrous ethanol; electrochemical impedance spectra; polarization curve; tantalum; tetrabutylammonium hydrogen sulfate 1 Introduction Tantalum......
J. Cent. South Univ. (2021) 28: 72-88 DOI: https://doi.org/10.1007/s11771-021-4587-z Separation and purification of tantalum from plumbomicrolite of amazonite deposit in Kola Peninsula by acid...) was leached with the mixture of HF and H2SO4, HF and HNO3 acids, respectively. Optimal conditions ensuring high recovery of tantalum and niobium (up to 99%) into solution, and radionuclides into insoluble......
Effect of Doping on Microstructure and Technical Usage Property of Tantalum Wire万庆峰,TIAN Miao,CHEN Lin,ZHAO BingNingxia Oriental Tantalum Industry Co.,Ltd摘 要:Effect of different dopants and various dopants quantity at different annealing temperatures on microstructure of tantalum wire, bending of tantalum wire after sintering and bending after pressing......
Corrosion behavior of tantalum and its nitride in alkali solutionZHANG Deyuan , LIN Qin , FEI Qinyong , ZHAO Haomin , KANG Guangyu , and GENG Man1) R&D Department, National R&D Center..."><正> The corrosion behavior of tantalum and its nitrides in stirring NaOH solutions was researched by potentiostatic method, cyclic voltammetry and XPS. The results showed that the corrosion......
......
Morphology and structure of high temperature MoSi2 coating on niobium XIAO Lai-rong(肖来荣), YI Dan-qing(易丹青), YIN Lei(殷 磊), CAI hi-gang(蔡志刚) (College of Materials Science and Engineering, Central South University, Changsha 410083, China) Abstract: The high-temperature oxidation-resistant MoSi2 coating on the Nb substrate was prepared by slurry firing. The structure, compositions and phase......